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91382242 = 2717599641
BaseRepresentation
bin1010111001001…
…10000111100010
320100221200212111
411130212013202
5141343212432
613022345534
72156510350
oct534460742
9210850774
1091382242
1147645916
122672b2aa
1315c17143
14c1ca7d0
158051347
hex57261e2

91382242 has 32 divisors (see below), whose sum is σ = 166406400. Its totient is φ = 36741120.

The previous prime is 91382227. The next prime is 91382257. The reversal of 91382242 is 24228319.

It is an interprime number because it is at equal distance from previous prime (91382227) and next prime (91382257).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142242 + ... + 142882.

It is an arithmetic number, because the mean of its divisors is an integer number (5200200).

Almost surely, 291382242 is an apocalyptic number.

91382242 is a deficient number, since it is larger than the sum of its proper divisors (75024158).

91382242 is a wasteful number, since it uses less digits than its factorization.

91382242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

The product of its digits is 6912, while the sum is 31.

The square root of 91382242 is about 9559.4059438858. The cubic root of 91382242 is about 450.4230457907.

The spelling of 91382242 in words is "ninety-one million, three hundred eighty-two thousand, two hundred forty-two".

Divisors: 1 2 7 14 17 34 119 238 599 641 1198 1282 4193 4487 8386 8974 10183 10897 20366 21794 71281 76279 142562 152558 383959 767918 2687713 5375426 6527303 13054606 45691121 91382242